fool
UK[fuːl]US[fuːl]
n
a person who acts unwisely or imprudently; a silly person.
v
trick or deceive (someone); dupe.
Etymology
the word "fool" entered modern english from the old french "fol," meaning "madman, idiot, jester." this old french term itself derived from the latin "follis," which literally meant "bellows" or "windbag" and was used metaphorically for an empty-headed person. this semantic shift from a physical object (a bag of air) to a descriptor for a person lacking sense or substance is a classic example of pejorative figurative development. the journey from latin "follis" to its current abstract meaning illustrates how a concrete noun evolved through romance languages to label foolish behavior in english.
Analysis
the word is a simplex unit from old english.
Examples
he felt like a fool for trusting the stranger's promise.
don't be fooled by the product's attractive packaging; read the reviews carefully.
in shakespeare's plays, the fool often speaks the wisest truths.